ANTI-LOCK BRAKE SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING


  1. Vehicle Brought to Workshop

  2. Customer Problem Analysis

  3. Check and Clear DTCs Click here


  4. Problem Symptom Confirmation


    Symptom does not occur: Go to step 5

    Symptom occur: Go to step 6

  5. Symptom Simulation Click here


  6. DTC Check Click here


    DTC is not output: Go to step 7

    DTC is output: Go to step 8

  7. Problem Symptoms Table Click here


    Check for fluid leakage and Go to step 10

  8. DTC Chart Click here


  9. Circuit Inspection Click here


  10. Identification of Problem

  11. Repair

  12. Confirmation Test
    End

Tech Tips

Step 3, 6, 8, 9, 12:

Diagnostic steps permitting the use of the intelligent tester.

Fail safe function:

When a failure occurs in the ABS system, the ABS warning light is lit and the ABS operation is prohibited.